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发明名称
Skrueblyant og Fremgangsmaade ved dens Fremstilling.
摘要
申请公布号
DK65906(C)
申请公布日期
1947.11.17
申请号
DK19410001690
申请日期
1941.08.21
申请人
FIRMAET A. W. FABER-CASTELL
发明人
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主分类号
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